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22-Mec-A2 Kinematics and Dynamics of Machines: May 2016

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Mechanical advantage of an eight-bar mechanism
  2. Question 2 Radial cam with flat-faced follower — minimum-jerk motion design
  3. Question 3 Two-stage planetary gear train — planet count and speed ratios
  4. Question 4 Four-bar shaking force and balancing
  5. Question 5 Steady-state response to a wavy road (base excitation)
  6. Question 6 Inverted pendulum with a torsional spring

Start with Question 1 →

Paper format: EGBC National Exam, 22-Mec-A2 “Kinematics and Dynamics of Machines”, May 2016 (source code 07-Mec-A2). Open-book, 3 hours; six questions of equal value (20 marks each), candidates answer any five. Part A — mechanisms and machine dynamics (Q1–Q4); Part B — mechanical vibration (Q5–Q6). All six are solved in full below.

Reference texts: R. L. Norton, Design of Machinery, 5th ed. (mechanical advantage & virtual work, cam-motion synthesis, four-bar force balancing, epicyclic trains); S. S. Rao, Mechanical Vibrations, 6th ed. (base excitation / transmissibility, single-DOF free vibration); J. E. Shigley, Mechanical Engineering Design (planet spacing & gear geometry cross-check).